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Individual Calculations July 2009 |
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| Yermolinsky, Alex Total change: 4.80 | |   |
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| 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2398 | 2522 | 6.00 | 9 | 0.12 | 10 | 1.20 | |
|  Privman, Boris | f | | 2172 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Zhao, Parker B | | | 2301 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Van Wely, Loek | g | | 2622 | NED | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Schneider, Igor | f | | 2397 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Bonin, Jay | m | | 2369 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Lenderman, Alex | m | | 2434 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | | | Zierk, Steven C | | | 2296 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Becerra, Julio J | g | | 2609 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Vigorito, David | m | | 2384 | USA | 0.50 | 1 | -0.19 | 10 | -1.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 27th North American FIDE Open | Stillwater, Oklahoma | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2334 | 2522 | 4.50 | 6 | 0.22 | 10 | 2.20 | |
| | Dennison, Jerry | | | 2172 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Wharry, Steve | | | 2172 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Braunlich, Tom | | | 2173 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Zivanic, Marko | m | | 2459 | SRB | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Kudrin, Sergey | g | | 2563 | USA | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Brooks, Michael A | m | | 2463 | USA | 1.00 | 1 | 0.42 | 10 | 4.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | The Copper State International | Mesa, Arizona | USA | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2417 | 2522 | 6.50 | 10 | 0.14 | 10 | 1.40 | |
| | Ristovic, Nenad | f | | 2252 | CAN | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Fernandez, Daniel | m | | 2369 | USA | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Izoria, Zviad | g | | 2619 | GEO | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Esserman, Marc R | | | 2391 | USA | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Sarkar, Justin | m | | 2410 | USA | 1.00 | 1 | 0.35 | 10 | 3.50 | | | Ippolito, Dean J | m | | 2443 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Ramirez, Alejandro | g | | 2563 | CRC | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Lenderman, Alex | m | | 2434 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Hansen, Eric | f | | 2398 | CAN | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Boor, Carl B | f | | 2291 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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